It reminds me of a joke about the statistician who drowned in a pool with an average height of 10 inches.

这让我想起一个统计学笑话,在一个平均水深为10英寸的游泳池里，谁会被淹死。

哈佛公开课 - 幸福课课程节选

So the choice is are you gonna ruin the really expensive pair of shoes or are you gonna to leave the child to drown?

所以你面临着选择：,要么毁了这双昂贵的鞋,要么看着小孩淹死？

普林斯顿公开课 - 人性课程节选

If the dyke goes, you are drowned.

如果堤坝决堤,所有人都会被淹死

耶鲁公开课 - 欧洲文明课程节选